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start bandpass filter in new process and make it abortable (#351)

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* start bandpass filter in new process and make it abortable

* hardcode esc key, as QKeySequence.Cancel not avail on older Qts

* Default to Esc if QKeySequence.Cancel not available

* add missing space

* make filter methods static

* move multiprocessing method to top level for multiprocessing

* make coverage multiprocessing agnostic

* update coveragerc

* add test for filter abort
This commit is contained in:
Johannes Pohl
2017-11-02 09:24:35 -05:00
committed by GitHub
parent e2f645a61c
commit 21373342db
7 changed files with 113 additions and 33 deletions
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6
tests/SpectrogramTest.py
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@@ -95,7 +95,7 @@ class SpectrogramTest(unittest.TestCase):
b = 0.05
data = x
y = Filter.apply_bandpass_filter(data, lowcut, highcut, fs, filter_bw=b)
y = Filter.apply_bandpass_filter(data, lowcut / fs, highcut / fs, filter_bw=b)
plt.plot(y, label='Filtered signal (%g Hz)' % f0)
plt.plot(data, label='Noisy signal')
@@ -175,12 +175,12 @@ class SpectrogramTest(unittest.TestCase):
plt.imshow(np.transpose(spectrogram.data), aspect="auto", cmap="magma")
plt.ylim(0, spectrogram.freq_bins)
chann1_filtered = Filter.apply_bandpass_filter(mixed_signal, filter_freq1_low, filter_freq1_high, sample_rate, filter_bw)
chann1_filtered = Filter.apply_bandpass_filter(mixed_signal, filter_freq1_low / sample_rate, filter_freq1_high / sample_rate, filter_bw)
plt.subplot("223")
plt.title("Channel 1 Filtered ({})".format("".join(map(str, channel1_data))))
plt.plot(chann1_filtered)
chann2_filtered = Filter.apply_bandpass_filter(mixed_signal, filter_freq2_low, filter_freq2_high, sample_rate, filter_bw)
chann2_filtered = Filter.apply_bandpass_filter(mixed_signal, filter_freq2_low / sample_rate, filter_freq2_high / sample_rate, filter_bw)
plt.subplot("224")
plt.title("Channel 2 Filtered ({})".format("".join(map(str, channel2_data))))
plt.plot(chann2_filtered)